The genetic mutations behind breast cancer

The actress Angelina Jolie's decision to have a double mastectomy as a way to prevent getting breast cancer, and her choice to make that decision public, have shed light on the rare genetic mutation she has that can cause breast and ovarian cancer. It has also prompted a flood of inquiries from women about the mutation - who's at risk, and what their choices are if they have it.To learn more, News Director Sally Mauk recently spoke with breast cancer surgeon Dr. Melissa Hulvat who is Director of the Bass Breast Center at Kalispell Regional Healthcare. Dr. Hulvat says there are two genes we know cause breast cancer: